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Over the past years, Generative Adversarial Networks (GANs) have shown a remarkable generation performance especially in image synthesis. Unfortunately, they are also known for having an unstable training process and might loose parts of…

机器学习 · 计算机科学 2019-11-18 Teodora Pandeva , Matthias Schubert

There has been an increasing interest in modeling continuous-time dynamics of temporal graph data. Previous methods encode time-evolving relational information into a low-dimensional representation by specifying discrete layers of neural…

机器学习 · 计算机科学 2022-06-01 Jin Guo , Zhen Han , Zhou Su , Jiliang Li , Volker Tresp , Yuyi Wang

Human mobility estimation is crucial during the COVID-19 pandemic due to its significant guidance for policymakers to make non-pharmaceutical interventions. While deep learning approaches outperform conventional estimation techniques on…

机器学习 · 计算机科学 2023-01-23 Han Bao , Xun Zhou , Yiqun Xie , Yanhua Li , Xiaowei Jia

Our work explores temporal self-supervision for GAN-based video generation tasks. While adversarial training successfully yields generative models for a variety of areas, temporal relationships in the generated data are much less explored.…

计算机视觉与模式识别 · 计算机科学 2020-05-22 Mengyu Chu , You Xie , Jonas Mayer , Laura Leal-Taixé , Nils Thuerey

The effectiveness of biosignal generation and data augmentation with biosignal generative models based on generative adversarial networks (GANs), which are a type of deep learning technique, was demonstrated in our previous paper. GAN-based…

机器学习 · 计算机科学 2023-03-03 Shota Harada , Hideaki Hayashi , Seiichi Uchida

Fast and accurate simulations of the non-linear evolution of the cosmic density field are a major component of many cosmological analyses, but the computational time and storage required to run them can be exceedingly large. For this…

宇宙学与河外天体物理 · 物理学 2020-11-17 Richard M. Feder , Philippe Berger , George Stein

Recurrent neural networks like long short-term memory (LSTM) are important architectures for sequential prediction tasks. LSTMs (and RNNs in general) model sequences along the forward time direction. Bidirectional LSTMs (Bi-LSTMs) on the…

机器学习 · 统计学 2017-11-16 Samira Shabanian , Devansh Arpit , Adam Trischler , Yoshua Bengio

Anomalous crack region detection is a typical binary semantic segmentation task, which aims to detect pixels representing cracks on pavement surface images automatically by algorithms. Although existing deep learning-based methods have…

计算机视觉与模式识别 · 计算机科学 2024-03-11 Lei Xu , Moncef Gabbouj

Dynamic scene graph generation aims at generating a scene graph of the given video. Compared to the task of scene graph generation from images, it is more challenging because of the dynamic relationships between objects and the temporal…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Yuren Cong , Wentong Liao , Hanno Ackermann , Bodo Rosenhahn , Michael Ying Yang

In this paper, we study deep generative models for effective unsupervised learning. We propose VGAN, which works by minimizing a variational lower bound of the negative log likelihood (NLL) of an energy based model (EBM), where the model…

机器学习 · 计算机科学 2016-11-08 Shuangfei Zhai , Yu Cheng , Rogerio Feris , Zhongfei Zhang

Real-world time series often exhibit strong non-stationarity, complex nonlinear dynamics, and behavior expressed across multiple temporal scales, from rapid local fluctuations to slow-evolving long-range trends. However, many contemporary…

机器学习 · 计算机科学 2026-05-19 Sumit S Shevtekar , Chandresh K Maurya

Traffic forecasting has emerged as a core component of intelligent transportation systems. However, timely accurate traffic forecasting, especially long-term forecasting, still remains an open challenge due to the highly nonlinear and…

信号处理 · 电气工程与系统科学 2021-03-30 Mingxing Xu , Wenrui Dai , Chunmiao Liu , Xing Gao , Weiyao Lin , Guo-Jun Qi , Hongkai Xiong

Temporal relational modeling in video is essential for human action understanding, such as action recognition and action segmentation. Although Graph Convolution Networks (GCNs) have shown promising advantages in relation reasoning on many…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Dong Wang , Di Hu , Xingjian Li , Dejing Dou

We propose a probabilistic framework for developing computational models of biological neural systems. In this framework, physiological recordings are viewed as discrete-time partial observations of an underlying continuous-time stochastic…

神经元与认知 · 定量生物学 2026-02-10 Ahmed ElGazzar , Marcel van Gerven

Causal inference from observational data following the restricted structural causal model (SCM) framework hinges largely on the asymmetry between cause and effect from the data generating mechanisms, such as non-Gaussianity or nonlinearity.…

统计方法学 · 统计学 2021-09-06 Kang Du , Yu Xiang

We investigate time-dependent data analysis from the perspective of recurrent kernel machines, from which models with hidden units and gated memory cells arise naturally. By considering dynamic gating of the memory cell, a model closely…

机器学习 · 统计学 2019-10-11 Kevin J Liang , Guoyin Wang , Yitong Li , Ricardo Henao , Lawrence Carin

Channel estimation is a critical task in digital communications that greatly impacts end-to-end system performance. In this work, we introduce a novel approach for multiple-input multiple-output (MIMO) channel estimation using score-based…

信号处理 · 电气工程与系统科学 2022-02-16 Marius Arvinte , Jonathan I Tamir

Lane detection is a crucial perception task for all levels of automated vehicles (AVs) and Advanced Driver Assistance Systems, particularly in mixed-traffic environments where AVs must interact with human-driven vehicles (HDVs) and…

计算机视觉与模式识别 · 计算机科学 2026-02-04 Sandeep Patil , Yongqi Dong , Haneen Farah , Hans Hellendoorn

With the proliferation of deep learning techniques for wireless communication, several works have adopted learning-based approaches to solve the channel estimation problem. While these methods are usually promoted for their computational…

信息论 · 计算机科学 2022-11-22 Mohamed Akrout , Amal Feriani , Faouzi Bellili , Amine Mezghani , Ekram Hossain

Systematic trading strategies are algorithmic procedures that allocate assets aiming to optimize a certain performance criterion. To obtain an edge in a highly competitive environment, the analyst needs to proper fine-tune its strategy, or…

机器学习 · 计算机科学 2019-04-02 Adriano Koshiyama , Nick Firoozye , Philip Treleaven